Description
The Growatt MAC 50K TL3-X LV is a commercial-grade, three-phase grid-tied solar inverter built to convert direct current (DC) generated by solar arrays into clean three-phase alternating current (AC) for commercial and industrial facilities. Delivering a nominal output rating of 50kW, it directly synchronizes with the utility power grid to power heavy operational loads.
Designed for factory owners, commercial building managers, and solar project contractors in Bangladesh, this inverter features 3 independent MPPT trackers to optimize energy output across complex roof structures. With rising industrial electricity tariffs across Bangladesh, deploying the MAC 50K TL3-X LV allows businesses to maximize self-consumption, leverage Net Metering guidelines, and lower grid dependency.
Key Features
- 3 MPPT Trackers: Allows independent tracking across multiple rooftop orientations to mitigate module shading losses.
- Smart I-V Diagnosis: Performs automated string monitoring and diagnostic scans to detect array anomalies rapidly.
- Integrated Type II AC/DC Surge Protection: Internal SPDs shield electrical components from grid power surges and lightning spikes.
- Interactive OLED Display & Touch Button: Touch-enabled interface for local parameter checking without opening the enclosure.
- High-Strength Polycarbonate Cover: Lightweight, durable, and fireproof casing engineered for safe long-term outdoor operation.
Technical Advantages
- High Efficiency: Achieves a maximum efficiency of 98.8% (European efficiency 98.4%) to minimize conversion energy loss.
- Durable Construction: Built with an IP65 ingress protection rating and smart air cooling heat dissipation.
- Safety Protection: Features DC reverse polarity protection, AC short-circuit protection, insulation resistance monitoring, anti-islanding protection, and optional Arc Fault Circuit Interrupter (AFCI).
- Energy Saving & Zero Export Control: Supports export limit settings and integration with Smart Energy Management devices.
- Easy Maintenance: Offers local Wi-Fi, Ethernet, and RS485 communication options for continuous remote tracking via the ShinePhone app.
Applications
- Residential: Large residential estates and multi-tenant housing developments.
- Commercial: Shopping complexes, commercial towers, and corporate office parks.
- Industrial: Garment factories, spinning mills, and manufacturing plants.
- Factory: Rooftop PV installations for self-consumption power offset.
- Office: Business centers and administrative complexes.
- Project Installation: Mid-scale ground-mounted and commercial rooftop grid-tied solar projects.
Technical Specification Table
| Specification | Details |
| Model | MAC 50K TL3-X LV |
| Brand | Growatt |
| Rated Power | 50 kW / 50,000 W |
| Voltage | Nominal AC: 230V/400V (340-440V); Max DC: 1100V |
| Current | Max Output Current: 80.5 A; Max MPPT Input Current: 50A/37.5A/37.5A |
| Frequency | 50 Hz / 60 Hz (45-55Hz / 55-65Hz) |
| Efficiency | Max Efficiency: 98.8%; Euro Efficiency: 98.4%; MPPT Efficiency: 99.9% |
| Protection | IP65, Type II AC & DC SPD, Reverse Polarity, Short Circuit, Ground Fault |
| Dimension | 680 x 508 x 281 mm |
| Weight | 52 kg |
| Operating Temperature | -25°C to +60°C |
| Warranty | 5 Years Standard (Extendable to 10 Years) |
Features List
- ✓ 98.8% Peak efficiency output
- ✓ 3 Independent MPPT trackers
- ✓ IP65 Weatherproof heavy-duty casing
- ✓ Integrated Type II AC and DC surge protection
- ✓ Smart I-V curve scan and diagnostic function
- ✓ Easy OLED display with touch button interface
Benefits For Customers
- Reduces Electricity Cost: Offsets daytime peak utility consumption, significantly reducing monthly commercial electricity bills.
- Improves Operational Reliability: Pure sine wave delivery and built-in protection suite protect connected factory equipment.
- Saves Maintenance Cost: Durable components and intelligent string diagnosis minimize site trips and troubleshooting downtime.
- Suitable for Bangladesh Environment: IP65 weather resistance and wide thermal operation handle tropical heat, dust, and heavy monsoon rains.
Installation & Maintenance Guide
Installation requirements:
- Mount vertically on a flat, solid surface capable of supporting 52 kg with appropriate mounting brackets.
- Provide at least 500mm of side and top clearance to allow unhindered airflow for smart air cooling.
- Ensure proper equipment grounding (PE) and install dedicated 3-phase AC circuit breaker protection.
- Terminate PV strings using standard MC4 connectors and connect AC output cables using proper cable glands and OT terminals.
Maintenance tips:
- Clean external fan vents and heat sink fins every 3–6 months to prevent industrial dust accumulation.
- Periodically verify that electrical wiring connections, DC isolators, and AC breakers remain tight and secure.
- Use the ShinePhone mobile app to monitor system yields and run periodic I-V diagnostic scans.
Safety instructions:
- Installation and wiring must be executed by qualified, certified electrical engineers.
- Isolate both AC main supply and DC switches before opening electrical covers or performing maintenance.
- Wait a minimum of 5 minutes after power disconnection to allow internal capacitors to fully discharge before handling internal terminals.
FAQ Section
Q: What is the price of Growatt MAC 50K TL3-X LV Inverter in Bangladesh?
A: Prices fluctuate based on foreign exchange rates and import duties. For updated pricing, visit loopshop.com.bd or contact our hotline.
Q: Where can I buy Growatt MAC 50K TL3-X LV Inverter in Bangladesh?
A: You can purchase 100% authentic Growatt inverters directly from loopshop.com.bd with official warranty coverage and nationwide delivery.
Q: What warranty does this product have?
A: The Growatt MAC 50K TL3-X LV comes with a standard 5-year manufacturer warranty, extendable up to 10 years.
Q: Is this suitable for Bangladesh climate?
A: Yes, featuring IP65 ingress protection and operating temperature handling from -25°C to +60°C, it is designed for tropical weather conditions in Bangladesh.
Q: How to install this product?
A: Mount vertically in a ventilated space, connect your solar array strings to the MPPT inputs, wire the 3-phase AC output to your distribution panel, and complete setup via the ShinePhone app.
Q: Does this inverter support Net Metering in Bangladesh?
A: Yes, the 3-phase on-grid design is fully compliant with Net Metering guidelines issued by BPDB, DESCO, DPDC, and REB.
Q: What is the efficiency of this inverter?
A: It features a maximum efficiency of 98.8% and a European efficiency rating of 98.4%.
Q: How many MPPTs are available on the MAC 50K TL3-X LV?
A: It features 3 independent MPPT trackers to manage multiple string arrays efficiently.
Q: Can I limit grid export with this inverter?
A: Yes, it supports zero-export limit configurations when paired with compatible Smart Energy Managers or meter accessories.
Q: Does it include surge protection?
A: Yes, it comes equipped with integrated Type II Surge Protection Devices (SPD) on both AC and DC sides.

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